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Worksheetsstatistical analyses
Total questions: 15
Worksheet time: 8mins
A consumer confidence researcher asks several retailers to report the number of LCD televisions sold during a particular month. These numbers most likely represent what level of measurement?
Ordinal
Ratio
Interval
Nominal
The nominal level of measurement is represented in which variable below?
Fear of Crime
Temperature
Marital Status
Gender
Income
The ordinal level of measurement is represented in which variable below?
Confidence Level
Gender
Level of Agreement
Height
Age
A parametric statistical test is one that makes assumptions about the parameters (defining properties) of the population distribution(s) from which one's data are drawn.
True
False
What are the examples of Parametric Test?
T-test
One-way ANOVA
Chi-Square Test of Independence
Pearson r Correlation
Regression
Which of the following tests is the non-parametric equivalent of Pearson r correlation?
Kolmogorov-Smirnov Test
Shapiro-Wilk Test
Spearman Correlation
Chi-square Test of Independence
Levene’s Test is used to test the equality of variances.
True
False
Which one of the following variables is not categorical?
Age of a person
Gender of a person
Choice on a test item
Marital status of a person
To investigate relationships, pearson r correlation can be used when the analysis involves two continuous variables.
True
False
The following are conditions in performing parametric test for two or more groups except:
Data must be normally distributed
Categories are mutually exclusive
Variance must be homogenous
There should be 2 or more independent groups
value of correlation coefficient:
-1 (perfect negative correlation), +1 (very high correlation) & 0 (no correlation).
true
false
